(19)

(11)

EP 1 129 263 A1

(12)

(43) Date of publication: 05.09.2001 Bulletin 2001/36 (21) Application number: 99944909.3 (22) Date of filing: 20.09.1999

(51) International Patent Classification (IPC)7: E04C 3/26, E04C 5/08 (86) International application number: PCT/KR9900/567 (87) International publication number: WO 0028/168 (18.05.2000 Gazette 2000/20)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 07.11.1998 KR 9847661 (71) Applicant: Interconstec Co., Ltd. Seocho-gu,Seoul 137-070 (KR)	(72) Inventor: HAN, Man Yop Suwon-city,Kyungki-do 442-070 (KR) (74) Representative: Stanley, David William  StanleysIntellectual Property,Kings Court,12 King Street Leeds LS1 2HL Leeds LS1 2HL (GB)